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Derivative Accounting - Derivative Instruments in the Balance Sheets (Details) - USD ($) | Sep. 30, 2023 | Dec. 31, 2022 | Oct. 18, 2022
--- | --- | --- | ---
Assets |  |  |
Gross recognized derivatives |  | $ 132,229,000 |
Liabilities |  |  |
Amount Reported on Balance Sheets |  | (42,446,000) |
Commodity Contracts |  |  |
Assets |  |  |
Gross recognized derivatives | $ 28,449,000 | 153,261,000 |
Amounts offset | (13,907,000) | (21,191,000) |
Net Recognized Derivatives | 14,542,000 | 132,070,000 |
Other | 5,000 | 28,000 |
Amount Reported on Balance Sheets | 14,547,000 | 132,098,000 |
Liabilities |  |  |
Gross recognized derivatives | (62,580,000) | (56,893,000) |
Amounts offset | 13,907,000 | 21,191,000 |
Net Recognized Derivatives | (48,673,000) | (35,702,000) |
Other | (7,071,000) | (5,835,000) |
Amount Reported on Balance Sheets | (55,744,000) | (41,537,000) |
Assets and Liabilities |  |  |
Gross recognized derivatives | (34,131,000) | 96,368,000 |
Amounts offset | 0 | 0 |
Net Recognized Derivatives | (34,131,000) | 96,368,000 |
Other | (7,066,000) | (5,807,000) |
Amount Reported on Balance Sheets | (41,197,000) | 90,561,000 |
Cash collateral received subject to offsetting | 0 |  |
Cash collateral received from counterparties | 7,071,000 | 5,835,000 |
Commodity Contracts | Current assets |  |  |
Assets |  |  |
Gross recognized derivatives | 21,754,000 | 103,484,000 |
Amounts offset | (10,383,000) | (15,808,000) |
Net Recognized Derivatives | 11,371,000 | 87,676,000 |
Other | 5,000 | 28,000 |
Amount Reported on Balance Sheets | 11,376,000 | 87,704,000 |
Commodity Contracts | Investments and other assets |  |  |
Assets |  |  |
Gross recognized derivatives | 6,695,000 | 49,777,000 |
Amounts offset | (3,524,000) | (5,383,000) |
Net Recognized Derivatives | 3,171,000 | 44,394,000 |
Other | 0 | 0 |
Amount Reported on Balance Sheets | 3,171,000 | 44,394,000 |
Commodity Contracts | Current liabilities |  |  |
Liabilities |  |  |
Gross recognized derivatives | (46,044,000) | (47,670,000) |
Amounts offset | 10,383,000 | 15,808,000 |
Net Recognized Derivatives | (35,661,000) | (31,862,000) |
Other | (7,071,000) | (5,835,000) |
Amount Reported on Balance Sheets | (42,732,000) | (37,697,000) |
Assets and Liabilities |  |  |
Cash collateral received from counterparties | 7,071,000 | 5,835,000 |
Commodity Contracts | Deferred credits and other |  |  |
Liabilities |  |  |
Gross recognized derivatives | (16,536,000) | (9,223,000) |
Amounts offset | 3,524,000 | 5,383,000 |
Net Recognized Derivatives | (13,012,000) | (3,840,000) |
Other | 0 | 0 |
Amount Reported on Balance Sheets | (13,012,000) | (3,840,000) |
Assets and Liabilities |  |  |
Cash collateral received from counterparties | $ 0 | $ 0 |
Interest Rate Swap |  |  |
Assets |  |  |
Amount Reported on Balance Sheets |  |  | $ 200,000

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